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PSYC 355 FINAL NEWEST EXAM 2026 | PSYC 355 FINAL EXAM
PREP | QUESTIONS AND CORRECT DETAILED ANSWERS |
RATED A + | NEW AND REVISED
1. Which glial cells are responsible for maintaining the integrity of the
extracel- lular fluid that surrounds neurons?
A) Oligodendrocytes
B) Astrocytes
C) Microglial cells
D) Stellate cells: astrocytes
2. At what point do the sensory axons from the periphery enter the spinal cord?
A) Central nuclei
B) Ventral nuclei
C) Dorsal root ganglia
D) Ventral white matter: dorsal root ganglia
3. Which general class of neurons primarily serve as sensory neurons?
A) interneurons
B) efferent neurons
C) afferent neurons
D) pyramidal cells: atterent neurons
4. Identify an important difference between the axon itself, and of the
axon terminal.
A) Axon terminals have more microtubules. B) The axon has more
synaptic vesicles than the axon terminal.
C) The axon terminal has a specialized nucleus.
D) There are large numbers of mitochondria in the axon terminal.: axon
terminals have more microtubules
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5. Dendritic spines
A) Can change shape and number based on the strength of synaptic inputs.
B) Are found on both spinous and aspinous neurons.
C) Can sometimes sprout on axons.
D) Are found mostly on pyramidal cells that reside in layer V.: can change shape
and number based on the strength of synaptic inputs
6. Which membrane lies closest to the surface of the brain (farthest from the
skull)?
A) Meninges
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B) Dura mater
C) Arachnoid
D) Pia mater: pia mater
7. Growth cones are associated with
A) regeneration in the central nervous system.
B) cellular apoptosis.
C) regeneration in the peripheral nervous system.
D) All of the above: regeneration in the peripheral nervous system
8. Which neuroanatomical method provides an outline of entire neurons,
includ- ing the soma and all of the cell's processes?
A) Nissl stain
B) Radioactive glucose stain
C) Golgi stain
D) Axonal degeneration procedure: golgi stain
9. During a period of normal cell death, developing neurons are thought
to compete for
A) cell adhesion molecules.
B) death genes.
C) neurotrophic factors.
D) glucose.: neurotrophic factors
10. During axonal transport, which of the following elements helps move
mate- rials from the soma to the terminal?
A) kinetic acid
B) motor proteins
C) glia cells
D) synaptic vesicles: motor proteins
11. Which of the following is a projection pathway linking the cerebral
hemi- spheres? A) Dorsal columns
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B) Corpus callosum
C) Internal capsule
D) Posterior capsule: corpus callosum
PSYC 355 FINAL NEWEST EXAM 2026 | PSYC 355 FINAL EXAM
PREP | QUESTIONS AND CORRECT DETAILED ANSWERS |
RATED A + | NEW AND REVISED
1. Which glial cells are responsible for maintaining the integrity of the
extracel- lular fluid that surrounds neurons?
A) Oligodendrocytes
B) Astrocytes
C) Microglial cells
D) Stellate cells: astrocytes
2. At what point do the sensory axons from the periphery enter the spinal cord?
A) Central nuclei
B) Ventral nuclei
C) Dorsal root ganglia
D) Ventral white matter: dorsal root ganglia
3. Which general class of neurons primarily serve as sensory neurons?
A) interneurons
B) efferent neurons
C) afferent neurons
D) pyramidal cells: atterent neurons
4. Identify an important difference between the axon itself, and of the
axon terminal.
A) Axon terminals have more microtubules. B) The axon has more
synaptic vesicles than the axon terminal.
C) The axon terminal has a specialized nucleus.
D) There are large numbers of mitochondria in the axon terminal.: axon
terminals have more microtubules
,2 | Page
5. Dendritic spines
A) Can change shape and number based on the strength of synaptic inputs.
B) Are found on both spinous and aspinous neurons.
C) Can sometimes sprout on axons.
D) Are found mostly on pyramidal cells that reside in layer V.: can change shape
and number based on the strength of synaptic inputs
6. Which membrane lies closest to the surface of the brain (farthest from the
skull)?
A) Meninges
,3 | Page
B) Dura mater
C) Arachnoid
D) Pia mater: pia mater
7. Growth cones are associated with
A) regeneration in the central nervous system.
B) cellular apoptosis.
C) regeneration in the peripheral nervous system.
D) All of the above: regeneration in the peripheral nervous system
8. Which neuroanatomical method provides an outline of entire neurons,
includ- ing the soma and all of the cell's processes?
A) Nissl stain
B) Radioactive glucose stain
C) Golgi stain
D) Axonal degeneration procedure: golgi stain
9. During a period of normal cell death, developing neurons are thought
to compete for
A) cell adhesion molecules.
B) death genes.
C) neurotrophic factors.
D) glucose.: neurotrophic factors
10. During axonal transport, which of the following elements helps move
mate- rials from the soma to the terminal?
A) kinetic acid
B) motor proteins
C) glia cells
D) synaptic vesicles: motor proteins
11. Which of the following is a projection pathway linking the cerebral
hemi- spheres? A) Dorsal columns
,4 | Page
B) Corpus callosum
C) Internal capsule
D) Posterior capsule: corpus callosum
